Hyenas are often known as laughing hyenas and that's because they make these funny noises which sound to us like hysterical human laughter, but in reality, they make lots of other kinds of noises as well.

斑鬣狗因“笑鬣犬”而出名，因为它们会发出有趣的声音，而这些声音在我们听来就像人类歇斯底里的笑声，但实际上它们还会发出很多其他不同的声音。